/Engine/Source/Editor/Kismet/Public/BlueprintCompilationManager.h
Immediately compiles the blueprint, no expectation that related blueprints be subsequently compiled. It will be significantly more efficient to queue blueprints and then flush the compilation queue if there are several blueprints that require compilation (e.g. typical case on PIE):
static void CompileSynchronously ( const [FBPCompileRequest](API\Editor\Kismet\FBPCompileRequest) & Request )